| "use strict"; |
| |
| Object.defineProperty(exports, "__esModule", { |
| value: true |
| }); |
| exports.rewriteModuleStatementsAndPrepareHeader = rewriteModuleStatementsAndPrepareHeader; |
| exports.ensureStatementsHoisted = ensureStatementsHoisted; |
| exports.wrapInterop = wrapInterop; |
| exports.buildNamespaceInitStatements = buildNamespaceInitStatements; |
| Object.defineProperty(exports, "isModule", { |
| enumerable: true, |
| get: function () { |
| return _helperModuleImports().isModule; |
| } |
| }); |
| Object.defineProperty(exports, "hasExports", { |
| enumerable: true, |
| get: function () { |
| return _normalizeAndLoadMetadata.hasExports; |
| } |
| }); |
| Object.defineProperty(exports, "isSideEffectImport", { |
| enumerable: true, |
| get: function () { |
| return _normalizeAndLoadMetadata.isSideEffectImport; |
| } |
| }); |
| |
| function _assert() { |
| const data = _interopRequireDefault(require("assert")); |
| |
| _assert = function () { |
| return data; |
| }; |
| |
| return data; |
| } |
| |
| function t() { |
| const data = _interopRequireWildcard(require("@babel/types")); |
| |
| t = function () { |
| return data; |
| }; |
| |
| return data; |
| } |
| |
| function _template() { |
| const data = _interopRequireDefault(require("@babel/template")); |
| |
| _template = function () { |
| return data; |
| }; |
| |
| return data; |
| } |
| |
| function _chunk() { |
| const data = _interopRequireDefault(require("lodash/chunk")); |
| |
| _chunk = function () { |
| return data; |
| }; |
| |
| return data; |
| } |
| |
| function _helperModuleImports() { |
| const data = require("@babel/helper-module-imports"); |
| |
| _helperModuleImports = function () { |
| return data; |
| }; |
| |
| return data; |
| } |
| |
| var _rewriteThis = _interopRequireDefault(require("./rewrite-this")); |
| |
| var _rewriteLiveReferences = _interopRequireDefault(require("./rewrite-live-references")); |
| |
| var _normalizeAndLoadMetadata = _interopRequireWildcard(require("./normalize-and-load-metadata")); |
| |
| function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } } |
| |
| function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } |
| |
| function rewriteModuleStatementsAndPrepareHeader(path, { |
| exportName, |
| strict, |
| allowTopLevelThis, |
| strictMode, |
| loose, |
| noInterop, |
| lazy, |
| esNamespaceOnly |
| }) { |
| (0, _assert().default)((0, _helperModuleImports().isModule)(path), "Cannot process module statements in a script"); |
| path.node.sourceType = "script"; |
| const meta = (0, _normalizeAndLoadMetadata.default)(path, exportName, { |
| noInterop, |
| loose, |
| lazy, |
| esNamespaceOnly |
| }); |
| |
| if (!allowTopLevelThis) { |
| (0, _rewriteThis.default)(path); |
| } |
| |
| (0, _rewriteLiveReferences.default)(path, meta); |
| |
| if (strictMode !== false) { |
| const hasStrict = path.node.directives.some(directive => { |
| return directive.value.value === "use strict"; |
| }); |
| |
| if (!hasStrict) { |
| path.unshiftContainer("directives", t().directive(t().directiveLiteral("use strict"))); |
| } |
| } |
| |
| const headers = []; |
| |
| if ((0, _normalizeAndLoadMetadata.hasExports)(meta) && !strict) { |
| headers.push(buildESModuleHeader(meta, loose)); |
| } |
| |
| const nameList = buildExportNameListDeclaration(path, meta); |
| |
| if (nameList) { |
| meta.exportNameListName = nameList.name; |
| headers.push(nameList.statement); |
| } |
| |
| headers.push(...buildExportInitializationStatements(path, meta, loose)); |
| return { |
| meta, |
| headers |
| }; |
| } |
| |
| function ensureStatementsHoisted(statements) { |
| statements.forEach(header => { |
| header._blockHoist = 3; |
| }); |
| } |
| |
| function wrapInterop(programPath, expr, type) { |
| if (type === "none") { |
| return null; |
| } |
| |
| let helper; |
| |
| if (type === "default") { |
| helper = "interopRequireDefault"; |
| } else if (type === "namespace") { |
| helper = "interopRequireWildcard"; |
| } else { |
| throw new Error(`Unknown interop: ${type}`); |
| } |
| |
| return t().callExpression(programPath.hub.addHelper(helper), [expr]); |
| } |
| |
| function buildNamespaceInitStatements(metadata, sourceMetadata, loose = false) { |
| const statements = []; |
| let srcNamespace = t().identifier(sourceMetadata.name); |
| if (sourceMetadata.lazy) srcNamespace = t().callExpression(srcNamespace, []); |
| |
| for (const localName of sourceMetadata.importsNamespace) { |
| if (localName === sourceMetadata.name) continue; |
| statements.push(_template().default.statement`var NAME = SOURCE;`({ |
| NAME: localName, |
| SOURCE: t().cloneNode(srcNamespace) |
| })); |
| } |
| |
| if (loose) { |
| statements.push(...buildReexportsFromMeta(metadata, sourceMetadata, loose)); |
| } |
| |
| for (const exportName of sourceMetadata.reexportNamespace) { |
| statements.push((sourceMetadata.lazy ? _template().default.statement` |
| Object.defineProperty(EXPORTS, "NAME", { |
| enumerable: true, |
| get: function() { |
| return NAMESPACE; |
| } |
| }); |
| ` : _template().default.statement`EXPORTS.NAME = NAMESPACE;`)({ |
| EXPORTS: metadata.exportName, |
| NAME: exportName, |
| NAMESPACE: t().cloneNode(srcNamespace) |
| })); |
| } |
| |
| if (sourceMetadata.reexportAll) { |
| const statement = buildNamespaceReexport(metadata, t().cloneNode(srcNamespace), loose); |
| statement.loc = sourceMetadata.reexportAll.loc; |
| statements.push(statement); |
| } |
| |
| return statements; |
| } |
| |
| const getTemplateForReexport = loose => { |
| return loose ? _template().default.statement`EXPORTS.EXPORT_NAME = NAMESPACE.IMPORT_NAME;` : _template().default` |
| Object.defineProperty(EXPORTS, "EXPORT_NAME", { |
| enumerable: true, |
| get: function() { |
| return NAMESPACE.IMPORT_NAME; |
| }, |
| }); |
| `; |
| }; |
| |
| const buildReexportsFromMeta = (meta, metadata, loose) => { |
| const namespace = metadata.lazy ? t().callExpression(t().identifier(metadata.name), []) : t().identifier(metadata.name); |
| const templateForCurrentMode = getTemplateForReexport(loose); |
| return Array.from(metadata.reexports, ([exportName, importName]) => templateForCurrentMode({ |
| EXPORTS: meta.exportName, |
| EXPORT_NAME: exportName, |
| NAMESPACE: t().cloneNode(namespace), |
| IMPORT_NAME: importName |
| })); |
| }; |
| |
| function buildESModuleHeader(metadata, enumerable = false) { |
| return (enumerable ? _template().default.statement` |
| EXPORTS.__esModule = true; |
| ` : _template().default.statement` |
| Object.defineProperty(EXPORTS, "__esModule", { |
| value: true, |
| }); |
| `)({ |
| EXPORTS: metadata.exportName |
| }); |
| } |
| |
| function buildNamespaceReexport(metadata, namespace, loose) { |
| return (loose ? _template().default.statement` |
| Object.keys(NAMESPACE).forEach(function(key) { |
| if (key === "default" || key === "__esModule") return; |
| VERIFY_NAME_LIST; |
| |
| EXPORTS[key] = NAMESPACE[key]; |
| }); |
| ` : _template().default.statement` |
| Object.keys(NAMESPACE).forEach(function(key) { |
| if (key === "default" || key === "__esModule") return; |
| VERIFY_NAME_LIST; |
| |
| Object.defineProperty(EXPORTS, key, { |
| enumerable: true, |
| get: function() { |
| return NAMESPACE[key]; |
| }, |
| }); |
| }); |
| `)({ |
| NAMESPACE: namespace, |
| EXPORTS: metadata.exportName, |
| VERIFY_NAME_LIST: metadata.exportNameListName ? _template().default` |
| if (Object.prototype.hasOwnProperty.call(EXPORTS_LIST, key)) return; |
| `({ |
| EXPORTS_LIST: metadata.exportNameListName |
| }) : null |
| }); |
| } |
| |
| function buildExportNameListDeclaration(programPath, metadata) { |
| const exportedVars = Object.create(null); |
| |
| for (const data of metadata.local.values()) { |
| for (const name of data.names) { |
| exportedVars[name] = true; |
| } |
| } |
| |
| let hasReexport = false; |
| |
| for (const data of metadata.source.values()) { |
| for (const exportName of data.reexports.keys()) { |
| exportedVars[exportName] = true; |
| } |
| |
| for (const exportName of data.reexportNamespace) { |
| exportedVars[exportName] = true; |
| } |
| |
| hasReexport = hasReexport || data.reexportAll; |
| } |
| |
| if (!hasReexport || Object.keys(exportedVars).length === 0) return null; |
| const name = programPath.scope.generateUidIdentifier("exportNames"); |
| delete exportedVars.default; |
| return { |
| name: name.name, |
| statement: t().variableDeclaration("var", [t().variableDeclarator(name, t().valueToNode(exportedVars))]) |
| }; |
| } |
| |
| function buildExportInitializationStatements(programPath, metadata, loose = false) { |
| const initStatements = []; |
| const exportNames = []; |
| |
| for (const [localName, data] of metadata.local) { |
| if (data.kind === "import") {} else if (data.kind === "hoisted") { |
| initStatements.push(buildInitStatement(metadata, data.names, t().identifier(localName))); |
| } else { |
| exportNames.push(...data.names); |
| } |
| } |
| |
| for (const data of metadata.source.values()) { |
| if (!loose) { |
| initStatements.push(...buildReexportsFromMeta(metadata, data, loose)); |
| } |
| |
| for (const exportName of data.reexportNamespace) { |
| exportNames.push(exportName); |
| } |
| } |
| |
| initStatements.push(...(0, _chunk().default)(exportNames, 100).map(members => { |
| return buildInitStatement(metadata, members, programPath.scope.buildUndefinedNode()); |
| })); |
| return initStatements; |
| } |
| |
| function buildInitStatement(metadata, exportNames, initExpr) { |
| return t().expressionStatement(exportNames.reduce((acc, exportName) => _template().default.expression`EXPORTS.NAME = VALUE`({ |
| EXPORTS: metadata.exportName, |
| NAME: exportName, |
| VALUE: acc |
| }), initExpr)); |
| } |